Q: What are the prime factors of the number 20,200,401?

 A: 3, 13, 19, 233

Why are those the prime factors of the number 20,200,401?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 20,200,401

20,200,401
Factor Arrows
36,733,467
Factor Arrows
32,244,489
Factor Arrows
3748,163
Factor Arrows
1357,551
Factor Arrows
134,427
Factor Arrows
19233

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

3, 13, 19, 233

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 13 x 13 x 19 x 233 = 20,200,401

This can also be written as 33 x 132 x 191 x 2331 = 20,200,401

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


More Examples

Here are some more numbers to try:

Try the factor calculator

Explore more about the number 20,200,401:


Ask a Question